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Thread: a/c short cycle

  1. #11
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    and where is the pressure switch?

    in the drier?
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  2. #12
    Join Date
    Jan 2008
    Location
    Wasilla, AK
    Posts
    704
    Trade secret.
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  3. #13
    Join Date
    Jan 2008
    Location
    Wasilla, AK
    Posts
    704
    J/K, the low pressure switch is at the accumulator. As for your question about the pressures, it varies according to outside/ambient temperature. At 90 degrees ambient, high side pressures should be 200-220, and low side pressures should be 25-30.
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  4. #14
    Join Date
    Jan 2008
    Location
    Wasilla, AK
    Posts
    704
    Here's a link with info, everything you never needed to know.lol. It's ALL about HEAT and TEMPERATURE!
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  5. #15
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    sweet thanks
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  6. #16
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    ok...so since the last post it has been pretty nice outside...until last weekend, when i turned the a/c on it was blowing straight hot air....so it obviously had a leak so i had my mechanic buddy stick it on the vacuum for a lil bit and then we started looking and the high pressure service valve was leaking and also the orifice tube was about 75% clogged up....so replaced the orifice tube and service valve and i have a/c again and its not short cycling any more!!! yes!!!!

    it was short cycling reading 32 on the low side so i guess maybe the stopped up orifice tube may have caused it?....i dunno but it works now....i just hope that was the only leak.

    thanks guys for the help
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  7. #17
    Join Date
    Jan 2008
    Location
    Wasilla, AK
    Posts
    704
    Glad to see you got it fixed!! Leaks are not uncommon on these trucks.
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  8. #18
    Join Date
    Aug 2009
    Posts
    26
    I have the same magnaflow too and love it, you can usually get a used one on ebay or cragislist. I wanted a valid warranty so I got it here. Magnaflow 16656. Also some of the forum sponsors usually have a sale going on. Either way its a great exhaust system, sounds great, and very easy to install.

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